What are flash floods?

GS Paper 1/3  Syllabus: Important Geophysical Phenomena/ Disaster Management   Source: IE  Context: The Chandigarh-Manali highway was blocked following flash floods and landslides in parts of Haryana and Himachal Pradesh.   What are flash floods? Excessive or continuous rainfall over a period of days or during particular seasons, can lead to stagnation of water and …